Search Results for: hyperplasia

Histologic Diagnosis of Inflammatory Skin Diseases

Definition of Inflammation in Historical Perspective

…mental manifestations of disease, the others being neoplasia, hyperplasia, hamartoma, malformation, degeneration, and cyst. With regard to the skin, Ferdinand Hebra, in the third volume of Virchow’s Handbook of Special Pathology and Therapy pub…

Dermatology Practical & Conceptual

A verrucous plaque on the lower leg

…verrucous plaque. Histopathologic findings revealed epidermal hyperplasia and papillomatosis. Granulomas were noted in the dermis showing central suppuration and necrosis (Figure 2). A marked plasma cell infiltrate was also evident. Copper colored mu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…bulb. In short, tricholemmoma is not a benign neoplasm, but a hyperplasia. “Tricho-” is applied correctly in the name trichotillomania, in which hair shafts are twisted to and fro until they break, and it also is used properly in the term…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Spongiform Pustular Diseases?

…ustules of Kogoj).” Maize JC. Dermatitis with epidermal hyperplasia. In: Maize JC, Burgdorf WHC, Hurt MA, et al., eds. Cutaneous Pathology. Philadelphia: Churchill Livingstone, 1998:176. “Spongiform pustule of Kogoj: Intraepidermal collec…

Clinical Case Studies

Rhinophyma with Basal Cell Carcinoma

…d retraction artifact were observed. The surrounding skin had hyperplasia of the sebaceous glands with elongation and dilation of the ducts. Irregular fibrosis and inflammatory cell infiltrate were seen. THERAPY A field block with 1% lidocaine with 1…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…perficial perivascular dermatitis + spongiosis + psoriasiform hyperplasia = spongiotic psoriasiform dermatitis (allergic contact or nummular dermatitis, fully developed). Figure 5.4 Contents of Histologic Diagnosis of Inflammatory Skin Diseases: A Me…